Home / 18,057.40-27,083.64-6,369.08

Finding the Fourth Proportional to 18,057.40, 27,083.64 and 6,369.08

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Solution

The fourth proportional to 18,057.40, 27,083.64 and 6,369.08 is: 9,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.40 : 27,083.64 = 6,369.08 : x
  2. Step 2: Convert to fraction form
    18,057.40/27,083.64 = 6,369.08/x
  3. Step 3: Cross multiply
    18,057.40x = 27,083.64 × 6,369.08
  4. Step 4: Simplify right side
    18,057.40x = 172,497,869.85
  5. Step 5: Solve for x
    x = 172,497,869.85/18,057.40
  6. Step 6: Final answer
    x = 9,552.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.